Node.js Developer

3 years

0 Lacs

Posted:1 day ago| Platform: Linkedin logo

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On-site

Job Type

Full Time

Job Description

About the job


Company Description:

Gunpowder Innovations is a technology-first company building high-performance applications in fintech and health tech. Our engineering team is passionate about solving complex problems at scale, delivering seamless user experiences through cutting-edge mobile and web technologies. AllerWell, one of our flagship products, uses AI and advanced tech to revolutionize allergy management, helping users make safer food choices.


Role Overview:

Senior Backend Developer (Node.js)


Note: We are currently considering candidates who are available to join immediately.


Key Responsibilities:

  • Design & Architecture

    : Architect, develop, and maintain 

    secure backend systems

     using Node.js with a focus on 

    financial-grade compliance and security standards

    .
  • Payments & Integrations

    : Build and optimize APIs for 

    payments, settlements, digital wallets, and third-party banking integrations

    .
  • Compliance-Driven Development

    : Ensure systems align with 

    regulatory frameworks

     (PCI DSS, GDPR, PSD2, Open Banking, KYC/AML).
  • Transaction Systems

    : Design 

    high-volume, low-latency

     systems with fraud detection, risk scoring, and reconciliation mechanisms.
  • Collaboration

    : Work closely with product, compliance, DevOps, and frontend teams to deliver end-to-end fintech solutions.
  • Reliability & Monitoring

    : Implement 

    robust logging, monitoring, and alerting systems

     for mission-critical fintech operations.
  • Innovation

    : Stay updated with 

    fintech trends, regulatory changes, and emerging technologies

     (e.g., blockchain, real-time payments, API-first banking).


Required Skills & Qualifications:

  • 3+ years

     of backend development experience, with at least 

    3 years in fintech applications

    .
  • Proven expertise in 

    payments, wallets, transaction processing, and banking APIs

    .
  • Strong knowledge of 

    Node.js

     and microservices/distributed system architectures.
  • Hands-on experience with 

    PostgreSQL, MySQL, MongoDB, Redis

    .
  • Cloud proficiency (

    AWS, GCP, or Azure

    ) with a focus on 

    scalable, secure deployments

    .
  • Deep understanding of 

    security protocols

     (OAuth2.0, JWT, TLS, encryption, tokenization).
  • Prior experience in 

    fraud detection, chargebacks, and reconciliation systems

     is a strong plus.
  • Strong debugging, optimization, and performance-tuning skills.
  • Ability to thrive in 

    fast-paced, compliance-driven fintech environments

    .


At Gunpowder Innovations, we build fast and with purpose. If you’re a backend developer who’s passionate about solving real-world problems and enjoys working across the stack, we’d love to hear from you!


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